Introdution to Practical Fluid Flow.pdf
This book deals with the transportation and handling of incompressible fluids. This topic is important to most process engineers, because large quan- tities of material are transported in the process engineering industries. The emphasis of this book is on suspensions of particulate solids although the basic principles of simple Newtonian fluid flow form the basis of the devel- opment of models for the transportation of such material. Both settling slurries and dense suspensions are considered. The latter invariably exhibit non-Newtonian behavior. Transportation of slurries and other non-Newtonian fluids is generally treated inadequately or perfunctorily in most of the texts dealing with fluid transportation. This is a disservice to modern students in chemical, metallurgical, civil, and mining engineering, where problems relat- ing to the flow of slurries and other non-Newtonian fluids are commonly encountered. Although the topics of non-Newtonian fluid flow and slurry transportation are comprehensively covered in specialized texts, this book attempts to consolidate these topics into a consistent treatment that follows naturally from the conventional treatment of the transportation of incompres- sible Newtonian fluids in pipelines. In order to keep the book to a reasonable length, solid—liquid systems that are of interest in the mineral processing industries are emphasized at the expense of the many other fluid types that are encountered in the process industries in general. This reflects the particu- lar interests of the author. However, the student should have no difficulty in adapting the methods that are described here to other application areas. The level is kept to that of undergraduate courses in the various process engineer- ing disciplines, and this book could form the basis of a one-semester course for students who have not necessarily had exposure to formal fluid mechanics. This book could also usefully be adopted for students who have or will take a course in fluid mechanics and who need to explore the typical situations that they will meet as practising process engineers. The level of mathematical analysis is consistent with that usually found in modern under-graduate engineering curricula and is consistent with the need to describe the subject matter at the level that is used in modern engineering analysis. Modeling methods that are based on partial differential equations are used in Chapter 6 because they are essential for the proper description of industrial sedimentation and thickening processes where the solid concentration fre- quently varies spatially and with time.